A continuous stamping die for terminals

Abstract

The utility model provides a continuous stamping die for a terminal, comprising a punching die, a first bending die, a second bending die, a third bending die and a shape pad insert, a first pad insert, a second pad insert, and a third pad insert, wherein the first bending die comprises a first pressing block, a second pressing block, a third pressing block and a fourth pressing block, and the first pad insert comprises a first pad, a second pad, a first avoidance groove and a second avoidance groove, wherein the first pressing block and the second pressing block correspond to the first pad and the second pad respectively, a first top block extends from the bottom of the third pressing block, and a second top block extends from the bottom of the fourth pressing block, the first top block can extend into or leave the first avoidance groove, and the second top block can extend into or leave the second avoidance groove. The material sheet is punched into the shape pad insert, the first pad insert, the second pad insert, and the third pad insert by the punching die, the first bending die, the second bending die, and the third bending die to form a terminal, and the processing efficiency is high, and errors caused by human bending can be avoided.

Description

Technical Field

[0001] The utility model relates to the field of continuous stamping dies, in particular to a continuous stamping die for terminals. Background Art

[0002] like Figure 1-2 The terminal shown is applied to a small inductor, and includes a main body, wherein the first bending portion is bent at both ends of the main body along the length direction, and the angle between the first bending portion and the main body is less than 90°; the main body is bent at one side along the length direction to form a second bending portion, and the angle between the second bending portion and the main body is greater than 90°; the second bending portion is further bent to form a third bending portion; the overall size of the terminal is small and thin, and the market demand is large; if the sheet is punched out manually and then bent manually, the production efficiency is extremely low and cannot meet the market demand; and since the overall size of the terminal is small and thin, the manual bending force is inconsistent and large errors are likely to occur, resulting in different bending angles of the first bending portion, the second bending portion, and the third bending portion on each terminal, which affects the assembly of the terminal in the later stage. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a continuous stamping die for terminals, which can solve the technical problems of low production efficiency of manually operated stamping terminals and different bending angles of the first, second and third bending portions on the terminals.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: including an upper die base, a punch assembly, a die assembly, and a lower die base which are arranged in sequence from top to bottom, the punch assembly including a shape punching die group, a first bending die group, a second bending die group, and a third bending die group, the die assembly including a shape pad insert, a first pad insert, a second pad insert, and a third pad insert corresponding to the positions of the shape punching die group, the first bending die group, the second bending die group, and the third bending die group, wherein the first bending die group includes a first pressure block, a second pressure block, a third pressure block, and a fourth pressure block, the first pad insert includes a first pad, a second pad, a first avoidance groove and a second avoidance groove, the first pressure block and the second pressure block correspond to the first pad and the second pad respectively, a first top block extends from the bottom of the third pressure block, a second top block extends from the bottom of the fourth pressure block, the first top block can extend into or leave the first avoidance groove, and the second top block can extend into or leave the second avoidance groove.

[0005] Furthermore, the shape punching module includes two first punching knives, a second punching knife, two third punching knives and two fourth punching knives, and the shape pad insert includes two first pad grooves, a second pad groove, two third pad grooves and two fourth pad grooves, and the first punching knife, the second punching knife, the third punching knife and the fourth punching knife correspond to the first pad groove, the second pad groove, the third pad groove and the fourth pad groove respectively.

[0006] Furthermore, the second bending module includes two fifth pressing blocks, the second cushion block insert includes two third cushion blocks, and the fifth pressing block corresponds to the third cushion block.

[0007] Furthermore, the third bending module includes two sixth pressing blocks, the third cushion block insert includes two fourth cushion blocks, and the sixth pressing block corresponds to the fourth cushion block.

[0008] Furthermore, the male mold assembly further includes a fourth bending mold group, the female mold assembly further includes a fourth pad insert, the fourth bending mold group includes a seventh pressure block, the fourth pad insert includes a fifth pad, and the first pressure block corresponds to the fifth pad.

[0009] Furthermore, the male die assembly also includes a slitting die set, the female die assembly also includes a slitting pad block insert, the slitting die set includes a fifth T-shaped punch, the slitting pad block insert includes a fifth T-shaped pad groove, and the fifth punch corresponds to the fifth pad groove.

[0010] The beneficial effects of the utility model are:

[0011] The utility model discloses a continuous stamping die for a terminal, comprising an upper die base, a punch assembly, a die assembly and a lower die base which are sequentially arranged from top to bottom, the punch assembly comprising a shape punching die group, a first bending die group, a second bending die group and a third bending die group, the die assembly comprising a shape pad insert, a first pad insert, a second pad insert and a third pad insert, the first bending die group comprising a first pressing block, a second pressing block, a third pressing block and a fourth pressing block, the first pad insert comprising a first pad, a second pad, a first avoidance groove and a second avoidance groove, the first pressing block and the second pressing block respectively correspond to the first pad and the second pad, a first top block extends from the bottom of the third pressing block, a second top block extends from the bottom of the fourth pressing block, the first top block can extend into or leave the first avoidance groove, and the second top block can extend into or leave the second avoidance groove.

[0012] The material plate is pressed down on the shape pad insert by the punching shape module to punch out a sheet body for bending and forming the terminal, and is punched on the first pad by the first pressing block to flatten the material sheet for bending and forming the first bending part, and is punched on the second pad by the second pressing block to perform the first bending on the material sheet, and is punched on the first avoidance groove and the second avoidance groove by the third pressing block and the fourth pressing block to form the first bending part, and is punched on the second pad insert by the second bending module to form the third bending part, and finally the third bending module is punched on the third pad insert to form the second bending part. The utility model adopts automated continuous stamping, the processing is continuous, the stamping processing efficiency is high, and the error caused by human bending is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 Schematic diagram of the terminal structure;

[0015] Figure 2 Another angle diagram of the terminal structure;

[0016] Figure 3 A schematic structural diagram of a concave die assembly of a continuous stamping die for a terminal according to the utility model;

[0017] Figure 4 A schematic diagram of the overall side structure of the continuous stamping die for the terminal according to the utility model;

[0018] Figure 5 A schematic diagram of the plate processing structure of the continuous stamping die of the terminal described in the utility model;

[0019] Figure 6 A schematic diagram of the structure of the outer shape pad insert of the continuous stamping die of the terminal described in the utility model;

[0020] Figure 7 A structural schematic diagram of a first pad insert of a continuous stamping die for a terminal according to the utility model;

[0021] Figure 8 A structural schematic diagram of a second cushion block insert, a third cushion block insert, a fourth cushion block insert and a cutting cushion block insert of a continuous stamping die of a terminal described in the utility model.

[0022] Main component symbols

[0023] 10. terminal; 101. first bending portion; 102. second bending portion; 103. third bending portion;

[0024] 20. Upper die seat;

[0025] 30. Outer shape gasket insert; 301. First gasket groove; 302. Second gasket groove; 303. Third gasket groove; 304. Fourth gasket groove;

[0026] 40, first cushion block insert; 401, first cushion block; 402, second cushion block; 403, first avoidance groove; 404, second avoidance groove;

[0027] 50, second cushion block insert; 501, third cushion block;

[0028] 60, third cushion block insert; 601, fourth cushion block;

[0029] 70, fourth cushion block insert; 701, fifth cushion block;

[0030] 80, cutting pad insert; 801, fifth pad groove;

[0031] 90. Lower die seat;

[0032] 100. Material sheet. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the invention claimed for protection, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0034] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0035] like Figure 1-2 The terminal shown is applied to a small inductor, and includes a main body, wherein the main body is bent at both ends along the length direction to form a first bending portion, and the angle between the first bending portion and the main body is less than 90°; the main body is bent at one side along the length direction to form a second bending portion, and the angle between the second bending portion and the main body is greater than 90°; the second bending portion is further bent to form a third bending portion.

[0036] Please refer to Figure 3-5 As shown, the utility model provides a continuous stamping die for a terminal, comprising an upper die seat, a punch assembly, a die assembly, and a lower die seat arranged in sequence from top to bottom, the punch assembly comprising a punching die set, a first bending die set, a second bending die set, and a third bending die set, the die assembly comprising a shape pad insert, a first pad insert, a second pad insert, and a third pad insert corresponding to the positions of the punching die set, the first bending die set, the second bending die set, and the third bending die set, specifically, a sheet is introduced into the continuous stamping die from an external device, the sheet is pressed down on the shape pad insert through the punching die set, a sheet body for bending and forming a terminal is punched out, the sheet body is punched on the first pad insert through the first bending die set to form a first bending portion, the sheet body is punched on the second pad insert through the second bending die set to form a third bending portion, and finally the sheet body is punched on the third pad insert by the third bending die set to form a second bending portion. That is, the stamping and forming of the terminal. The utility model adopts automatic continuous stamping, the processing is continuous, the stamping processing efficiency is high, and the error caused by artificial bending is avoided.

[0037] Please refer to Figure 5-6As shown, the punching shape module includes two first punching knives, a second punching knives, two third punching knives and two fourth punching knives, and the shape pad insert includes two first pad grooves, a second pad groove, two third pad grooves and two fourth pad grooves, and the first punching knife, the second punching knife, the third punching knife and the fourth punching knife correspond to the first pad groove, the second pad groove, the third pad groove and the fourth pad groove respectively. Specifically, the material plate is punched in the two first pad grooves by the two first punching knives to form positioning notches on both sides of the material plate along the length direction; the second punching knife is punched in the second pad groove to form two first strip holes and two second strip holes of bending on the material plate, and the two third punching knives are punched in the two third pad grooves to punch out a sheet body for forming the third bending part; the fourth punching knife is punched in the fourth pad groove to connect the two ends of the first strip hole and the second strip hole to form a material sheet for bending and forming terminals.

[0038] Please refer to Figure 5 , Figure 7 As shown, the first bending module includes a first pressure block, a second pressure block, a third pressure block and a fourth pressure block, the first pad insert includes a first pad, a second pad, a first avoidance groove and a second avoidance groove, the first pressure block and the second pressure block correspond to the first pad and the second pad respectively, a first top block extends from the bottom of the third pressure block, a second top block extends from the bottom of the fourth pressure block, the first top block can extend into or leave the first avoidance groove, and the second top block can extend into or leave the second avoidance groove. Specifically, the first pressing block is punched on the first pad to flatten the sheet used for bending and forming the first bending portion. In this embodiment, the first pressing block includes 8 blocks, and the corresponding first pads include 8 blocks, which can flatten the 8 sheets used for bending and forming the first bending portion in turn. The second pressing block is punched on the second pad to bend the sheet for the first time. The third pressing block and the fourth pressing block are punched on the first avoidance groove and the second avoidance groove. The first top block and the second top block respectively push the sheet into the first avoidance groove and the second avoidance groove in turn, so that the angle between the formed first bending portion and the main body is less than 90°.

[0039] Please refer to Figure 5 , Figure 8 As shown, the second bending module includes two fifth pressing blocks, the second cushion block insert includes two third cushion blocks, and the fifth pressing block corresponds to the third cushion block. Specifically, the sheet body is punched by the two fifth pressing blocks and then the third cushion block is used to punch and form the third bending portion.

[0040] Please refer to Figure 5 , Figure 8 As shown, the third bending module includes two sixth pressing blocks, the third cushion block insert includes two fourth cushion blocks, and the sixth pressing block corresponds to the fourth cushion block. Specifically, one side of the sheet body is punched on the fourth cushion block by the sixth pressing block to form a second bending portion.

[0041] Please refer to Figure 5 , Figure 8As shown, the male mold assembly further includes a fourth bending mold group, the female mold assembly further includes a fourth pad insert, the fourth bending mold group includes a seventh pressing block, the fourth pad insert includes a fifth pad, and the first pressing block corresponds to the fifth pad. Specifically, there is an excess protruding sheet on one side of the sheet close to the sheet for stamping the terminal, and the seventh pressing block is stamped on the fifth pad to bend the protruding sheet, so as to facilitate the subsequent removal of the terminal from the material sheet.

[0042] Please refer to Figure 5 , Figure 8 As shown, the male mold assembly also includes a slitting die set, the female mold assembly also includes a slitting pad insert, the slitting die set includes a fifth T-shaped punch, the slitting pad insert includes a fifth T-shaped pad groove, and the fifth punch corresponds to the fifth pad groove. Specifically, the material sheet is sequentially formed into two terminals side by side along its length direction, and the fifth punch is used to punch the middle of the material sheet in the fifth pad groove to separate the two symmetrical terminals on the material sheet, further facilitating the subsequent removal of the terminals.

[0043] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A continuous stamping die for terminals, used for stamping the terminals on the sheet metal forming inductors, characterized in that: It includes an upper die base, a punch assembly, a die assembly, and a lower die base which are arranged in sequence from top to bottom, the punch assembly includes a shape punching die group, a first bending die group, a second bending die group, and a third bending die group, the die assembly includes a shape pad insert, a first pad insert, a second pad insert, and a third pad insert corresponding to the positions of the shape punching die group, the first bending die group, the second bending die group, and the third bending die group, wherein the first bending die group includes a first pressure block, a second pressure block, a third pressure block, and a fourth pressure block, the first pad insert includes a first pad, a second pad, a first avoidance groove and a second avoidance groove, the first pressure block and the second pressure block correspond to the first pad and the second pad respectively, a first top block extends from the bottom of the third pressure block, a second top block extends from the bottom of the fourth pressure block, the first top block can extend into or leave the first avoidance groove, and the second top block can extend into or leave the second avoidance groove.

2. The continuous stamping die for the terminal according to claim 1, characterized in that: The shape punching module includes two first punching knives, a second punching knife, two third punching knives and two fourth punching knives, and the shape pad insert includes two first pad grooves, a second pad groove, two third pad grooves and two fourth pad grooves. The first punching knife, the second punching knife, the third punching knife and the fourth punching knife correspond to the first pad groove, the second pad groove, the third pad groove and the fourth pad groove respectively.

3. The continuous stamping die for the terminal according to claim 1, characterized in that: The second bending module includes two fifth pressing blocks, the second cushion block insert includes two third cushion blocks, and the fifth pressing block corresponds to the third cushion block.

4. The continuous stamping die for the terminal according to claim 1, characterized in that: The third bending module includes two sixth pressing blocks, the third cushion block insert includes two fourth cushion blocks, and the sixth pressing block corresponds to the fourth cushion block.

5. The continuous stamping die for the terminal according to claim 1, characterized in that: The male mold assembly further includes a fourth bending mold group, the female mold assembly further includes a fourth pad insert, the fourth bending mold group includes a seventh pressure block, the fourth pad insert includes a fifth pad, and the first pressure block corresponds to the fifth pad.

6. The continuous stamping die for the terminal according to claim 1, characterized in that: The male die assembly also includes a slitting die set, the female die assembly also includes a slitting pad insert, the slitting die set includes a fifth T-shaped punch, the slitting pad insert includes a fifth T-shaped pad groove, and the fifth punch corresponds to the fifth pad groove.

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